Anisotropic power-law solutions for a supersymmetry Dirac-Born-Infeld theory

Tuan Q. Do, W. F. Kao

Research output: Contribution to journalArticle

13 Scopus citations

Abstract

A new set of Bianchi type I power-law expanding solutions is obtained for a supersymmetric Dirac-Born-Infeld (SDBI) theory coupled to a gauge field. Stability analysis is also performed to show that this set of power-law expanding solutions is stable. In particular, this set of power-law solutions provides an explicit example to the role played by the supersymmetry correction term. We also show by a general approach that any stable anisotropic solution of SDBI model will turn unstable when a phantom field is introduced. We also show that the result of the scalar perturbation indicates that the SDBI model is a realistic model.

Original languageEnglish
Article number085009
JournalClassical and Quantum Gravity
Volume33
Issue number8
DOIs
StatePublished - 23 Mar 2016

Keywords

  • Bianchi spaces
  • Dirac-Born-Infeld theory
  • expanding universes

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